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AAI543－H50

The Yokogawa AAI543-H50 is an analog output module designed for industrial automation systems, particularly within Yokogawa's DCS (Distributed Control System) platforms. This module is engineered to provide reliable and precise 4–20 mA current output signals, suitable for controlling field devices such as actuators and control valves.

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Key Specifications

Model: AAI543-H50

Output Channels: 16 isolated channels

Output Signal: 4–20 mA DC

Communication Protocol: HART (Highway Addressable Remote Transducer)

Accuracy: ±48 µA

Allowable Load Resistance: 0 to 750 Ω

Circuit-Open Detection: Less than 0.65 mA

Data Update Period: 10 ms

Drift Due to Ambient Temperature Change: ±16 µA/10°C

Maximum Current Consumption:

230 mA (5 V DC)

540 mA (24 V DC)

Withstanding Voltage: 1500 V AC between output and system ground for 1 minute

External Communication: Pressure clamp terminal, MIL connector cable, dedicated cable (KS1)

Weight: Approximately 0.4 kg

Mounting Style: Panel mount

Explosion Protection: None

Temperature Range: -20°C to +60°C

✅ Key Features

Isolated Outputs: Each output channel is electrically isolated, preventing ground loops and ensuring accurate signal transmission.

High Accuracy: Provides precise 4–20 mA output signals with minimal error, suitable for critical control applications.

Fast Data Update: Offers a 10 ms data update period, enabling real-time control and monitoring.

Flexible Communication: Supports HART communication protocol for digital communication with field devices.

Robust Design: Built to withstand industrial environments with a wide operating temperature range and high isolation voltage.